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产品介绍：
棕刚玉是以铝矾土、无烟煤、铁屑为主要原料，在电弧炉内经高温冶炼而成，韧性好，耐高温、耐火度高达1850℃，广泛应用于研磨材料与制作高级耐火制品。
棕刚玉的主要规格：
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Al2O3 (min.)
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95.00%
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94.00%
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93.00%
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SiO2 (max.)
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1.50%
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1.50%
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1.50%
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Fe2O3 (max.)
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0.50%
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0.50%
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0.50%
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TiO2 (max.)
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3.20%
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3.20%
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3.20%
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K2O+Na2O (max.)
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0.25%
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0.25%
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0.25%
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CaO+MgO (max.)
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0.60%
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0.60%
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0.60%
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Magnetic Material (max.)
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100ppm
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100ppm
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100ppm
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LOI @1050℃ (max.)
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0.25%
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0.25%
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0.25%
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B.D. (min.)
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3.8g/ccm
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3.8g/ccm
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3.8g/ccm
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H2O (max.)
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0.50%
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0.50%
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0.50%
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Colour:
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Dark Brown
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Dark Brown
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Dark Brown
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Shape:
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Block, tough & sharp
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Block, tough & sharp
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Block, tough & sharp
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Metling Temperature:
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About 2200℃
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About 2200℃
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About 2200℃
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Granular size: 0-1mm, 1-3mm, 3-6mm, -200mesh, as per buyer’s requirement.
Packing: In 1mt, 1.2mt аnd 1.5mt big bags , as per buyer’s requirement.
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